CentOS 7 中firewall-cmd命令详细介绍
CentOS 7 中firewall-cmd命令
在 CentOS 7
暂时开放 ftp 服务
# firewall-cmd --add-service=ftp
永久开放 ftp 服务
# firewall-cmd --add-service=ftp --permanent
永久关闭
# firewall-cmd --remove-service=ftp --permanent
success
让设定生效
# systemctl restart firewalld
检查设定是否生效
# iptables -L -n | grep 21
ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:21 ctstate NEW
检查防火墙状态
# firewall-cmd --state
running
# systemctl stop firewalld
# firewall-cmd --state
not running
# firewall-cmd --list-all public (default) interfaces: sources: services: dhcpv6-client ftp ssh ports: masquerade: no forward-ports: icmp-blocks: rich rules:
在 FirewallD 的服务名称
# firewall-cmd --get-service amanda-client bacula bacula-client dhcp dhcpv6 dhcpv6-client dns ftp high-availability http https imaps ipp ipp-client ipsec kerberos kpasswd ldap ldaps libvirt libvirt-tls mdns mountd ms-wbt mysql nfs ntp openvpn pmcd pmproxy pmwebapi pmwebapis pop3s postgresql proxy-dhcp radius rpc-bind samba samba-client smtp ssh telnet tftp tftp-client transmission-client vnc-server wbem-https
查询服务的启用状态
# firewall-cmd --query-service ftp
yes
# firewall-cmd --query-service ssh
yes
# firewall-cmd --query-service samba
no
# firewall-cmd --query-service http
no
自行加入要开放的 Port
# firewall-cmd --add-port=3128/tcp # firewall-cmd --list-all public (default) interfaces: sources: services: dhcpv6-client ftp ssh ports: 3128/tcp masquerade: no forward-ports: icmp-blocks: rich rules:
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